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Home Q & A Board Science-Related Homework Help Psychology
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Gandalf Gandalf
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7 years ago
What do we call substances such as bacteria that invade the body?
A) antigens
B) immuno-agents
C) anti-fectious agents
D) allergens
Textbook 
Psychology: AP Edition

Psychology: AP Edition


Edition: 1st
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daniel1988daniel1988
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7 years ago
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Gandalf Author
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7 years ago
This helped my grade so much Perfect
Natalie Price
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You make an excellent tutor!
avance37
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Helped a lot
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